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263241-24-3

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263241-24-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263241-24-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,2,4 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 263241-24:
(8*2)+(7*6)+(6*3)+(5*2)+(4*4)+(3*1)+(2*2)+(1*4)=113
113 % 10 = 3
So 263241-24-3 is a valid CAS Registry Number.

263241-24-3Relevant articles and documents

Synthesis of homochiral β-sulfinyl nitrones and their application for enantioselective synthesis of (+)-euphococcinine

Murahashi, Shun-Ichi,Sun, Jun,Kurosawa, Hiroyuki,Imada, Yasushi

, p. 557 - 561 (2007/10/03)

Homochiral β-sulfinyl nitrones can be prepared from secondary amines in three steps. Enantioselective synthesis of defensive alkaloid (+)- euphococcinine (9) has been accomplished by means of diastereoselective allylation of homochiral β-sulfinyl nitrone

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